Bentonite clay attracts heavy metals, oils, bacteria, allergens, and irritants. Soothes dermatitis. Shown to help heal wounds, and ulcers. It reduces acidity, making the body alkaline. It can help with gut bacteria and regulating digestion. It's also scientifically proven to have "intrinsic, heat-stable antibacterial properties, which could provide an inexpensive treatment against numerous human bacterial infections."